2053804 has 12 divisors (see below), whose sum is σ = 3805704. Its totient is φ = 966464.

The previous prime is 2053789. The next prime is 2053811. The reversal of 2053804 is 4083502.

It is a super-2 number, since 2×2053804² = 8436221740832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15034 + ... + 15169.

It is an arithmetic number, because the mean of its divisors is an integer number (317142).

2^2053804 is an apocalyptic number.

It is an amenable number.

2053804 is a deficient number, since it is larger than the sum of its proper divisors (1751900).

2053804 is a wasteful number, since it uses less digits than its factorization.

2053804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224 (or 30222 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2053804 is about 1433.1099050666. The cubic root of 2053804 is about 127.1119355371. Note that the first 3 decimals are identical.

It can be divided in two parts, 20 and 53804, that added together give a square (53824 = 232²).

The spelling of 2053804 in words is "two million, fifty-three thousand, eight hundred four".